Adding pdp simulator for testing purposes

[policy/models.git] / models-sim / policy-models-sim-pdp / src / test / java / org / onap / policy / models / sim / pdp / parameters / TestPdpSimulatorParameterHandler.java

diff --git a/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/parameters/TestPdpSimulatorParameterHandler.java b/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/parameters/TestPdpSimulatorParameterHandler.java
new file mode 100644 (file)
index 0000000..e8e1f90
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+++ b/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/parameters/TestPdpSimulatorParameterHandler.java
@@ -0,0 +1,157 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.sim.pdp.parameters;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.FileNotFoundException;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.models.sim.pdp.PdpSimulatorCommandLineArguments;
+import org.onap.policy.models.sim.pdp.exception.PdpSimulatorException;
+
+/**
+ * Class to perform unit test of {@link PdpSimulatorParameterHandler}.
+ *
+ * @author Ajith Sreekumar (ajith.sreekumar@est.tech)
+ */
+public class TestPdpSimulatorParameterHandler {
+
+    @Test
+    public void testParameterHandlerNoParameterFile() throws PdpSimulatorException {
+        final String[] emptyArgumentString = { "-c", "src/test/resources/NoParametersFile.json" };
+
+        final PdpSimulatorCommandLineArguments emptyArguments = new PdpSimulatorCommandLineArguments();
+        emptyArguments.parse(emptyArgumentString);
+
+        try {
+            new PdpSimulatorParameterHandler().getParameters(emptyArguments);
+            fail("test should throw an exception here");
+        } catch (final Exception e) {
+            assertTrue(e.getCause() instanceof CoderException);
+            assertTrue(e.getCause().getCause() instanceof FileNotFoundException);
+        }
+    }
+
+    @Test
+    public void testParameterHandlerEmptyParameters() throws PdpSimulatorException {
+        final String[] noArgumentString = { "-c", "src/test/resources/NoParameters.json" };
+
+        final PdpSimulatorCommandLineArguments noArguments = new PdpSimulatorCommandLineArguments();
+        noArguments.parse(noArgumentString);
+
+        try {
+            new PdpSimulatorParameterHandler().getParameters(noArguments);
+            fail("test should throw an exception here");
+        } catch (final Exception e) {
+            assertTrue(e.getMessage().contains("no parameters found"));
+        }
+    }
+
+    @Test
+    public void testParameterHandlerInvalidParameters() throws PdpSimulatorException {
+        final String[] invalidArgumentString = { "-c", "src/test/resources/InvalidParameters.json" };
+
+        final PdpSimulatorCommandLineArguments invalidArguments = new PdpSimulatorCommandLineArguments();
+        invalidArguments.parse(invalidArgumentString);
+
+        try {
+            new PdpSimulatorParameterHandler().getParameters(invalidArguments);
+            fail("test should throw an exception here");
+        } catch (final Exception e) {
+            assertTrue(e.getMessage().startsWith("error reading parameters from"));
+            assertTrue(e.getCause() instanceof CoderException);
+        }
+    }
+
+    @Test
+    public void testParameterHandlerNoParameters() throws PdpSimulatorException {
+        final String[] noArgumentString = { "-c", "src/test/resources/EmptyConfigParameters.json" };
+
+        final PdpSimulatorCommandLineArguments noArguments = new PdpSimulatorCommandLineArguments();
+        noArguments.parse(noArgumentString);
+
+        try {
+            new PdpSimulatorParameterHandler().getParameters(noArguments);
+        } catch (final Exception e) {
+            assertTrue(e.getMessage().contains("is null"));
+        }
+    }
+
+    @Test
+    public void testPdpSimulatorParameterGroup() throws PdpSimulatorException {
+        final String[] pdpSimulatorConfigParameters = { "-c", "src/test/resources/PdpSimulatorConfigParameters.json" };
+
+        final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
+        arguments.parse(pdpSimulatorConfigParameters);
+
+        final PdpSimulatorParameterGroup parGroup = new PdpSimulatorParameterHandler().getParameters(arguments);
+        assertTrue(arguments.checkSetConfigurationFilePath());
+        assertEquals(CommonTestData.PDP_SIMULATOR_GROUP_NAME, parGroup.getName());
+    }
+
+    @Test
+    public void testPdpSimulatorParameterGroup_InvalidName() throws PdpSimulatorException {
+        final String[] pdpSimulatorConfigParameters = {"-c", 
+            "src/test/resources/PdpSimulatorConfigParameters_InvalidName.json"};
+
+        final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
+        arguments.parse(pdpSimulatorConfigParameters);
+
+        try {
+            new PdpSimulatorParameterHandler().getParameters(arguments);
+            fail("test should throw an exception here");
+        } catch (final Exception e) {
+            assertTrue(e.getMessage().contains(
+                "field \"name\" type \"java.lang.String\" value \" \" INVALID, must be a non-blank string"));
+        }
+    }
+
+    @Test
+    public void testPdpSimulatorVersion() throws PdpSimulatorException {
+        final String[] pdpSimulatorConfigParameters = { "-v" };
+        final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
+        final String version = arguments.parse(pdpSimulatorConfigParameters);
+        assertTrue(version.startsWith("ONAP Policy-PDP simulator Service"));
+    }
+
+    @Test
+    public void testPdpSimulatorHelp() throws PdpSimulatorException {
+        final String[] pdpSimulatorConfigParameters = { "-h" };
+        final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
+        final String help = arguments.parse(pdpSimulatorConfigParameters);
+        assertTrue(help.startsWith("usage:"));
+    }
+
+    @Test
+    public void testPdpSimulatorInvalidOption() throws PdpSimulatorException {
+        final String[] pdpSimulatorConfigParameters = { "-d" };
+        final PdpSimulatorCommandLineArguments arguments = new PdpSimulatorCommandLineArguments();
+        try {
+            arguments.parse(pdpSimulatorConfigParameters);
+        } catch (final Exception exp) {
+            assertTrue(exp.getMessage().startsWith("invalid command line arguments specified"));
+        }
+    }
+}